EP 1424873 A3 20091111 - Hearing system
Title (en)
Hearing system
Title (de)
Hörsystem
Title (fr)
Système auditif
Publication
Application
Priority
US 67662903 A 20031001
Abstract (en)
[origin: EP1424873A2] A hearing system includes a hearing device with an input acoustical/electrical converter (3). The system is controllably operable in at least first and second modes. A sensing unit (9) senses behavior of an acoustical impedance (Z ac ) of an acoustical input of the input converter (3). An evaluation unit (11) evaluates the sensed behavior over at least one predetermined behavior of the acoustical impedance. An output of the evaluation unit (11) controls change over from the first mode to the second mode.
IPC 8 full level
H04R 1/10 (2006.01); H04R 25/00 (2006.01); H04R 3/04 (2006.01); H04R 27/02 (2006.01); H03K 17/945 (2006.01)
CPC (source: EP US)
H04R 1/1041 (2013.01 - EP US); H04R 25/558 (2013.01 - EP US); H04R 25/552 (2013.01 - EP US); H04R 2225/61 (2013.01 - EP US); H04R 2460/03 (2013.01 - EP US)
Citation (search report)
- [XY] DE 3742529 C1 19890202 - MARX GUENTER H
- [DY] DE 10223544 C1 20030724 - SIEMENS AUDIOLOGISCHE TECHNIK [DE]
- [X] WO 0122777 A1 20010329 - INSONUS MEDICAL INC [US]
- [X] DE 4034096 A1 19920109 - VIELBERTH INST ENTW & FORSCH [DE]
- [E] EP 1465454 A2 20041006 - GENNUM CORP [CA]
- [A] EP 0176116 A2 19860402 - PHILIPS NV [NL]
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
Designated extension state (EPC)
AL LT LV MK
DOCDB simple family (publication)
EP 1424873 A2 20040602; EP 1424873 A3 20091111; EP 1424873 B1 20120606; CN 100508920 C 20090708; CN 1714770 A 20060104; JP 2005110241 A 20050421; US 2005074128 A1 20050407; US 7639827 B2 20091229
DOCDB simple family (application)
EP 04003999 A 20040223; CN 200410056242 A 20040805; JP 2004268037 A 20040915; US 67662903 A 20031001